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authorGravatar Adam Chlipala <adamc@hcoop.net>2009-06-07 11:13:18 -0400
committerGravatar Adam Chlipala <adamc@hcoop.net>2009-06-07 11:13:18 -0400
commit6994a00f608335fc2e835538dfd84b70aa486d0f (patch)
tree025a2cfb12b5075c231a663b21c6df3b979848ef /lib/ur/option.ur
parent555b6a066f6a4a2396ead20e673b363c3706e713 (diff)
Start of Option; Basis.current; fix missed cases in Jscomp.isNullable
Diffstat (limited to 'lib/ur/option.ur')
-rw-r--r--lib/ur/option.ur6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/ur/option.ur b/lib/ur/option.ur
new file mode 100644
index 00000000..cb2a6b57
--- /dev/null
+++ b/lib/ur/option.ur
@@ -0,0 +1,6 @@
+datatype t = datatype Basis.option
+
+fun isSome [a] x =
+ case x of
+ None => False
+ | Some _ => True